Investigation Procedures Flashcards
6 cards from real State Trooper practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Investigation Procedures flashcards as text
What is the first priority upon arriving at a crime scene?
Answer: Secure the scene and ensure the safety of all persons present
Scene safety and security must be established before any investigative activity.
What is the purpose of establishing a crime scene perimeter?
Answer: To protect evidence from contamination and control access
A perimeter preserves evidence integrity by limiting access to authorized personnel.
What is the proper sequence for crime scene documentation?
Answer: Overview photographs, detailed photographs, sketches, notes, and evidence collection
Documentation progresses from broad to specific before any evidence is collected.
What is 'Locard's Exchange Principle' in crime scene investigation?
Answer: Every contact between a person and an environment results in an exchange of physical material
Locard's principle states that a criminal always brings something to and takes something from the scene.
When should a state trooper call for a forensic specialist at a crime scene?
Answer: When the scene involves serious crimes or evidence requiring specialized collection techniques
Forensic specialists should be called for complex scenes requiring expertise beyond first responder training.
What is the difference between direct evidence and circumstantial evidence?
Answer: Direct evidence proves a fact without inference, while circumstantial evidence requires inference
Direct evidence proves a fact directly, while circumstantial evidence requires reasoning to draw conclusions.